Index: firmware/App/Controllers/DryBiCart.c
===================================================================
diff -u -rd2a11dba00c75e0ad4b8edc4edb7813a01736d67 -r4e082a10d0a07d9f4b042d1c3f1e957d5ce6ec58
--- firmware/App/Controllers/DryBiCart.c	(.../DryBiCart.c)	(revision d2a11dba00c75e0ad4b8edc4edb7813a01736d67)
+++ firmware/App/Controllers/DryBiCart.c	(.../DryBiCart.c)	(revision 4e082a10d0a07d9f4b042d1c3f1e957d5ce6ec58)
@@ -83,6 +83,9 @@
 #define DRY_BICART_DRAIN_COND_ZERO_THRESH               0.05F                                       ///< Zero conductivity threshold
 #define DRY_BICART_DRAIN_COND_STABLE_SAMPLES            10U                                         ///< De-bounce samples (10*50ms=500ms)
 
+// depressurize
+#define DRY_BICART_DEPRESSURIZE_VENT_MAX_TIME_MS        ( 10 * MS_PER_SECOND )                      ///< Max vent time to depressurize the dry bicart.
+
 /// Payload record structure for dry bicart fill request
 typedef struct
 {
@@ -1526,7 +1529,7 @@
                 state = DRY_BICART_DEPRESSURIZE_VENT_END_STATE;
             }
         }
-        else if ( ( TRUE == didTimeout( dryBiCarbSypplyVentStartTime, DRY_BICART_FILL_VENT_MAX_TIME_MS ) ) )
+        else if ( ( TRUE == didTimeout( dryBiCarbSypplyVentStartTime, DRY_BICART_DEPRESSURIZE_VENT_MAX_TIME_MS ) ) )
         {
             setValveState( D85_VALV, VALVE_STATE_CLOSED );
             dryBiCartPersistenceStartTime = 0;